53344530 has 48 divisors (see below), whose sum is σ = 141657984. Its totient is φ = 13921440.

The previous prime is 53344523. The next prime is 53344541. The reversal of 53344530 is 3544335.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53344494 and 53344503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2076 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (2951208).

Almost surely, 2^53344530 is an apocalyptic number.

53344530 is an abundant number, since it is smaller than the sum of its proper divisors (88313454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53344530 is a wasteful number, since it uses less digits than its factorization.

53344530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12671 (or 12668 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 53344530 is about 7303.7339765356. The cubic root of 53344530 is about 376.4407508761.

Adding to 53344530 its reverse (3544335), we get a palindrome (56888865).

The spelling of 53344530 in words is "fifty-three million, three hundred forty-four thousand, five hundred thirty".